21From Benjamin Franklin to Samuel Cooper, 30 December 1770 (Franklin Papers)
ALS : British Museum The letter below belongs with those above to Cooper of June 8 and to Cushing...
22From Benjamin Franklin to Samuel Cooper, 5 February 1771 (Franklin Papers)
ALS : British Museum I have just received your kind Favour of Jan. 1. by Mr. Bowdoin, to whom I...
23From Benjamin Franklin to Samuel Cooper, 13 January 1772 (Franklin Papers)
ALS : British Museum; draft: American Philosophical Society I have now before me your several...
24From Benjamin Franklin to Samuel Cooper, 4 June 1773 (Franklin Papers)
ALS : British Museum; letterbook draft: Library of Congress I can now only acknowledge the...
25From Benjamin Franklin to Samuel Cooper, 7 July 1773 (Franklin Papers)
LS : British Museum; letterbook draft: Library of Congress I received your very valuable Favours...
26From Benjamin Franklin to Samuel Cooper, 25 July 1773 (Franklin Papers)
LS : British Museum; ALS (letterbook draft): Library of Congress I wrote to you on the 7th...
27From Benjamin Franklin to Samuel Cooper, 25 February 1774 (Franklin Papers)
ALS : British Museum I thank you much for your respected Favours of Nov. 10. Dec. 17. and 20. and...
28From Benjamin Franklin to [Samuel Cooper], [25 October 1776]: extract (Franklin Papers)
Extract: Massachusetts Archives Being once more order’d to Europe, and to embark this day, I...
29From Benjamin Franklin to Samuel Cooper, 1 May 1777 (Franklin Papers)
ALS (draft): American Philosophical Society It was with great Pleasure I received lately the...
30From Benjamin Franklin to [Samuel Cooper], 27 February 1778 (Franklin Papers)
Copy: University of California Library, Berkeley; transcript: Massachusetts Historical Society At...